HomeAir and Fuel Delivery > FiltersWix 33420 Fuel Filter - Secondary
Part #: 33420

Wix 33420 Fuel Filter - Secondary

Secondary
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Reliable Fuel Filtration for Heavy-Duty Vehicles

The Wix 33420 fuel filter is designed to provide dependable fuel filtration for heavy-duty applications. Featuring enhanced cellulose media and a spin-on style, this filter helps maintain fuel system cleanliness and engine performance in vehicles requiring a 7/8-14 thread size.

  • Class Hb fuel filter designed for heavy-duty duty type
  • Spin-on fuel filter style with 7/8-14 thread size
  • Enhanced cellulose media for effective filtration
  • 6 micron filtration rating to protect fuel injectors
  • Dimensions: 5.816 inches height, 3.015 inches outer diameter top
  • Closed inner diameter top for secure sealing

Technical Details and Specifications

The Wix 33420 fuel filter utilizes enhanced cellulose media to capture contaminants as small as 6 microns, ensuring clean fuel delivery to the engine. Its spin-on design allows for straightforward replacement, compatible with vehicles requiring a 7/8-14 thread size. The filter measures 5.816 inches in height and 3.015 inches in outer diameter at the top, with a closed inner diameter top to ensure a tight seal and prevent leaks. This filter is classified as Class Hb and intended for heavy-duty duty type applications, making it suitable for trucks and commercial vehicles that demand reliable fuel filtration.

Compatible Vehicles and Applications

The Wix 33420 fuel filter is compatible with a range of heavy-duty trucks and commercial vehicles that specify a 7/8-14 thread size and require a 6 micron fuel filter. It is commonly used in diesel engines where fuel cleanliness is critical to prevent injector damage and maintain engine efficiency. When searching for a fuel filter for heavy-duty Ford, Chevrolet, or Dodge trucks, the Wix 33420 part number is a reliable option to consider.

  • Protects fuel injectors from dirt and debris
  • Prevents fuel system clogging and poor engine performance
  • Reduces risk of engine stalling due to contaminated fuel
  • Helps maintain fuel pump longevity
  • Ensures consistent fuel flow under heavy-duty conditions

Installation Notes and Tips

When installing the Wix 33420 fuel filter, ensure the engine is cool and relieve fuel system pressure before removal. The spin-on design allows for easy replacement; apply a light coat of clean fuel or oil to the gasket before installation to ensure a proper seal. Tighten the filter according to manufacturer specifications to avoid leaks. Dispose of the old filter properly in accordance with local regulations.

Quality Assurance and Warranty

Wix filters are manufactured to meet industry standards for filtration efficiency and durability. The 33420 fuel filter undergoes rigorous quality control to ensure consistent performance in heavy-duty applications. While specific warranty details are not provided here, Wix typically offers warranties covering defects in materials and workmanship. Consult Wix documentation or authorized distributors for warranty terms related to this part number.

BrandWix
Part Number33420
ClassHb
Duty TypeHd
Height5.816
Inner Diameter TopClosed
Media MaterialEnhanced cellulose
Micron6.00
Outer Diameter Top3.015
StyleSpin-on fuel filter
Thread Size7/8-14

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

95420

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.